diff --git a/RecoParticleFlow/PFClusterProducer/plugins/alpaka/PFClusterSoAProducer.cc b/RecoParticleFlow/PFClusterProducer/plugins/alpaka/PFClusterSoAProducer.cc
index bde6db46b08d9..78af328dc6c15 100644
--- a/RecoParticleFlow/PFClusterProducer/plugins/alpaka/PFClusterSoAProducer.cc
+++ b/RecoParticleFlow/PFClusterProducer/plugins/alpaka/PFClusterSoAProducer.cc
@@ -49,10 +49,10 @@ namespace ALPAKA_ACCELERATOR_NAMESPACE {
 
     static void fillDescriptions(edm::ConfigurationDescriptions& descriptions) {
       edm::ParameterSetDescription desc;
-      desc.add<edm::InputTag>("pfRecHits");
-      desc.add<edm::ESInputTag>("pfClusterParams");
-      desc.add<edm::ESInputTag>("topology");
-      desc.add<bool>("synchronise");
+      desc.add<edm::InputTag>("pfRecHits", edm::InputTag(""));
+      desc.add<edm::ESInputTag>("pfClusterParams", edm::ESInputTag(""));
+      desc.add<edm::ESInputTag>("topology", edm::ESInputTag(""));
+      desc.add<bool>("synchronise", false);
       desc.add<int>("pfRecHitFractionAllocation", 120);
       descriptions.addWithDefaultLabel(desc);
     }
diff --git a/RecoParticleFlow/PFRecHitProducer/plugins/LegacyPFRecHitProducer.cc b/RecoParticleFlow/PFRecHitProducer/plugins/LegacyPFRecHitProducer.cc
index ddcbd42a04157..cf4bb49eff850 100644
--- a/RecoParticleFlow/PFRecHitProducer/plugins/LegacyPFRecHitProducer.cc
+++ b/RecoParticleFlow/PFRecHitProducer/plugins/LegacyPFRecHitProducer.cc
@@ -26,7 +26,7 @@ class LegacyPFRecHitProducer : public edm::stream::EDProducer<> {
 
   static void fillDescriptions(edm::ConfigurationDescriptions& descriptions) {
     edm::ParameterSetDescription desc;
-    desc.add<edm::InputTag>("src");
+    desc.add<edm::InputTag>("src", edm::InputTag(""));
     descriptions.addWithDefaultLabel(desc);
   }
 
diff --git a/RecoParticleFlow/PFRecHitProducer/plugins/alpaka/CaloRecHitSoAProducer.cc b/RecoParticleFlow/PFRecHitProducer/plugins/alpaka/CaloRecHitSoAProducer.cc
index 28f053d2ac41d..4b483b0c6a987 100644
--- a/RecoParticleFlow/PFRecHitProducer/plugins/alpaka/CaloRecHitSoAProducer.cc
+++ b/RecoParticleFlow/PFRecHitProducer/plugins/alpaka/CaloRecHitSoAProducer.cc
@@ -52,7 +52,7 @@ namespace ALPAKA_ACCELERATOR_NAMESPACE {
 
     static void fillDescriptions(edm::ConfigurationDescriptions& descriptions) {
       edm::ParameterSetDescription desc;
-      desc.add<edm::InputTag>("src")->setComment("Input calorimeter rec hit collection");
+      desc.add<edm::InputTag>("src", edm::InputTag(""))->setComment("Input calorimeter rec hit collection");
       desc.addUntracked<bool>("synchronise", false)
           ->setComment("Add synchronisation point after execution (for benchmarking asynchronous execution)");
       descriptions.addWithDefaultLabel(desc);
diff --git a/RecoParticleFlow/PFRecHitProducer/plugins/alpaka/PFRecHitSoAProducer.cc b/RecoParticleFlow/PFRecHitProducer/plugins/alpaka/PFRecHitSoAProducer.cc
index 8297b6359eaf5..ab191cb54c0fb 100644
--- a/RecoParticleFlow/PFRecHitProducer/plugins/alpaka/PFRecHitSoAProducer.cc
+++ b/RecoParticleFlow/PFRecHitProducer/plugins/alpaka/PFRecHitSoAProducer.cc
@@ -53,10 +53,13 @@ namespace ALPAKA_ACCELERATOR_NAMESPACE {
     static void fillDescriptions(edm::ConfigurationDescriptions& descriptions) {
       edm::ParameterSetDescription desc;
       edm::ParameterSetDescription producers;
-      producers.add<edm::InputTag>("src")->setComment("Input CaloRecHitSoA");
-      producers.add<edm::ESInputTag>("params")->setComment("Quality cut parameters");
-      desc.addVPSet("producers", producers)->setComment("List of inputs and quality cuts");
-      desc.add<edm::ESInputTag>("topology")->setComment("Topology information");
+      producers.add<edm::InputTag>("src", edm::InputTag(""))->setComment("Input CaloRecHitSoA");
+      producers.add<edm::ESInputTag>("params", edm::ESInputTag(""))->setComment("Quality cut parameters");
+      std::vector<edm::ParameterSet> producersDefault(1);
+      producersDefault[0].addParameter<edm::InputTag>("src", edm::InputTag(""));
+      producersDefault[0].addParameter<edm::ESInputTag>("params", edm::ESInputTag(""));
+      desc.addVPSet("producers", producers, producersDefault)->setComment("List of inputs and quality cuts");
+      desc.add<edm::ESInputTag>("topology", edm::ESInputTag(""))->setComment("Topology information");
       desc.addUntracked<bool>("synchronise", false)
           ->setComment("Add synchronisation point after execution (for benchmarking asynchronous execution)");
       descriptions.addWithDefaultLabel(desc);